Vauxhall Zafira Driver window one touch not working

2006 Vauxhall Zafira Problem

Hi im having a problem with the driver window everytime i press or hold the button to open it only opens about 10mm at a time same as if i close it about 10mm at a time iv tried fully closin/opening it and holding the button to wait for a click but cant hear one could any1 plz help and its takin about 20 clicks to open the window fully and same to close all other windows are fine